EP2121402A1 - Procede de controle du couple moteur d'un vehicule automobile lors des passages de vitesses - Google Patents
Procede de controle du couple moteur d'un vehicule automobile lors des passages de vitessesInfo
- Publication number
- EP2121402A1 EP2121402A1 EP07858607A EP07858607A EP2121402A1 EP 2121402 A1 EP2121402 A1 EP 2121402A1 EP 07858607 A EP07858607 A EP 07858607A EP 07858607 A EP07858607 A EP 07858607A EP 2121402 A1 EP2121402 A1 EP 2121402A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- torque
- clutch
- transmitted
- engine
- engine torque
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/50—Signals to an engine or motor
- F16H63/502—Signals to an engine or motor for smoothing gear shifts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
- F02D41/022—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the clutch status
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
- F02D41/023—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio shifting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
- B60W2050/0019—Control system elements or transfer functions
- B60W2050/0028—Mathematical models, e.g. for simulation
- B60W2050/0037—Mathematical models of vehicle sub-units
- B60W2050/0041—Mathematical models of vehicle sub-units of the drive line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0275—Clutch torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
- F02D2250/21—Control of the engine output torque during a transition between engine operation modes or states
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Definitions
- a method of controlling the engine torque of a motor vehicle during shifts is provided.
- the invention relates to a method for controlling the engine torque of a motor vehicle, during upshifts and downshifts, in the particular case of a vehicle equipped with a manual gearbox.
- the problem that the invention aims to solve is that of salvation and jerking of the vehicle during shifts, that is to say oscillations of the driveline due to the synchronization between the engine of the vehicle and the vehicle. 'clutch.
- the object of the invention is to overcome these disadvantages by providing a control of the engine torque in the case of a vehicle with a manual gearbox, when closing the clutch, depending on the rebuilt state of this clutch by means of a state observer with unknown input.
- This control of the engine torque is made from an estimate of the torque transmitted by the clutch during its engagement phase and has the advantage of reducing jerkiness of the speed of the vehicle when shifting.
- the object of the invention is a method of controlling the engine torque of a motor vehicle equipped with a manual gearbox, characterized in that, during the engagement phases of the clutch at the time of the passages of up and down speeds, the engine torque is determined according to an estimate of the torque transmitted by the clutch.
- the method during the engagement phases of the clutch, it sets a minimum threshold to the time derivative of the engine speed and increases the value of the engine torque so that it is greater than or equal to a lower limit. , defined by the sum of the estimated torque transmitted by the clutch and the product of the motor inertia by said minimum threshold of the time derivative of the engine speed.
- the estimation of the torque transmitted by the clutch is obtained from an unknown input state observer, with a model of the kinematic chain upstream of the clutch whose inputs are the engine torque and the estimated torque transmitted by the clutch, without taking into account the torsion of the double damping flywheel, and a model of the evolution of the torque of the clutch.
- the model of the evolution of the estimated torque transmitted by the clutch provides a linear evolution in time, with a second derivative with respect to time which is zero.
- Figure 1 a schematic diagram of the structure of an observer of the torque transmitted by the clutch
- Figure 2 a model of the kinematic chain upstream of the clutch.
- the invention consists in restoring engine torque, because it drops during the synchronization between the engine and the engine. clutch, so that it does not become less than a determined terminal. For this, it is necessary to know the torque r c transmitted by the clutch but on a manual gearbox, it can not be measured. This is why the method according to the invention determines it by an observer with unknown input, formed by the model M cc of kinematic chain upstream of the clutch which does not take into account the twisting of the double damper flywheel, and by a model M E of the evolution of this torque r c estimated as shown in Figure 1.
- FIG. 2 is a diagram of the model of the kinematic chain, in which is represented the inertia J e of the motor, the speed ⁇ e of rotation, or speed, of the motor, the motor torque r e and the torque r c transmitted by the clutch.
- the method considers that it is linear, that is to say with a second derivative with respect to time which is zero.
- the clutch torque is independent of the sliding speed, so that the clutch is modeled only from the kinematic chain upstream, and that the stiffness of the double damping flywheel is neglected, the difference between the driving torque r e and the estimated torque r c transmitted by the clutch is equal to the product of the inertia of the engine J e by the time derivative of rotation ⁇ e :
- the observer comprises a model M E of the evolution of this input and the "feedback" on the prediction error of the change ⁇ e engine speed is used to correct the internal state of the model torque r c and its output to converge to the true value of the clutch torque.
- This speed of convergence of the observer is limited by the measurement of the engine speed ⁇ e , which occurs at each passage of five teeth of a toothed wheel with 60 teeth secured to the crankshaft in front of an inductive sensor called top dead center.
- the method introduces a motor torque reset during the phases of slippage of the clutch, at gear shifts, in order to reduce the fall of the engine speed and thus the hello and jolts. Reducing the engine speed drop is equivalent to setting a minimum threshold ⁇ eimn to its time derivative, representative of its variation in time which is negative. In addition, it sets a lower limit to the engine torque r e depending on the estimated torque r c transmitted by the clutch; performed at each PMH: T 81111n
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0611240A FR2910419B1 (fr) | 2006-12-22 | 2006-12-22 | Procede de controle du couple moteur d'un vehicule automobile lors des passages de vitesses. |
| PCT/FR2007/052182 WO2008078019A1 (fr) | 2006-12-22 | 2007-10-17 | Procede de controle du couple moteur d'un vehicule automobile lors des passages de vitesses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2121402A1 true EP2121402A1 (fr) | 2009-11-25 |
| EP2121402B1 EP2121402B1 (fr) | 2016-02-10 |
Family
ID=38229285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07858607.0A Active EP2121402B1 (fr) | 2006-12-22 | 2007-10-17 | Procede de controle du couple moteur d'un vehicule automobile lors des passages de vitesses |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2121402B1 (fr) |
| FR (1) | FR2910419B1 (fr) |
| WO (1) | WO2008078019A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6036473B2 (ja) * | 2013-03-27 | 2016-11-30 | アイシン精機株式会社 | 車両用駆動装置 |
| FR3055283B1 (fr) | 2016-08-23 | 2018-08-31 | Peugeot Citroen Automobiles Sa | Procede de controle d'un couple moteur d'un vehicule, notamment automobile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6440041B1 (en) * | 2001-02-08 | 2002-08-27 | Ford Global Technologies, Inc. | Method of controlling engine torque during launch from neutral idle operation |
| DE10291374D2 (de) * | 2001-04-02 | 2004-04-29 | Luk Lamellen & Kupplungsbau | Verfahren zur Steuerung einer automatisierten Kupplung |
| JP2005090308A (ja) * | 2003-09-16 | 2005-04-07 | Hitachi Ltd | 自動車の制御装置及び制御方法 |
| JP2005273767A (ja) * | 2004-03-24 | 2005-10-06 | Toyota Motor Corp | 車両用クラッチの伝達トルク検出装置 |
| US7182710B2 (en) | 2004-04-21 | 2007-02-27 | Southwest Research Institute | Observer-based control method for automatically shifting a manual transmission |
| JP4389748B2 (ja) | 2004-10-12 | 2009-12-24 | 日産自動車株式会社 | エンジンの制御装置 |
-
2006
- 2006-12-22 FR FR0611240A patent/FR2910419B1/fr not_active Expired - Fee Related
-
2007
- 2007-10-17 WO PCT/FR2007/052182 patent/WO2008078019A1/fr not_active Ceased
- 2007-10-17 EP EP07858607.0A patent/EP2121402B1/fr active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008078019A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2121402B1 (fr) | 2016-02-10 |
| FR2910419A1 (fr) | 2008-06-27 |
| WO2008078019A1 (fr) | 2008-07-03 |
| FR2910419B1 (fr) | 2009-07-03 |
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